[PD] file format for GEM

[chris clepper]

The M is for 'Motion' and uses two fields per frame, so it is interlaced.

On Mon, Feb 4, 2013 at 3:18 PM, me.grimm <megrimm at gmail.com> wrote:

> >> Also, I selected JPEG-Photo using the program "MPEGStreamclip" at %100
>
> this actually worked pretty decent. thanks for the tip!
>
> > I assume JPEG-Photo is MJPEG: The video file gets so large, because you
>
> might someone know: what is the difference between photo-jpeg and
> motion-jpeg? i am assuming from reading around the web that they are
> the same thing... but maybe not?
>
>
> m
>
>
>
> On Sun, Feb 3, 2013 at 4:09 PM, Thomas Mayer <thomas at residuum.org> wrote:
> > Hi,
> >
> > please respond to the list, as others may help in answering your
> > follow-up questions, and / or may benefit from the conversation.0
> >
> > On 03.02.2013 21:49, Stephan Elliot Perez wrote:
> >> Thanks. I have no idea what a bash script is or what to do with it, but
> I
> >> will read through the thread...
> >
> > If you use Linux or Mac OS X, bash is usually installed on your system.
> > It is a command line interface and can be used for scripting.
> > (http://en.wikipedia.org/wiki/Bash_%28Unix_shell%29)
> >
> > This particular script is nothing fancy, and I have made it mostly to
> > remind the parameters for mencoder.
> >
> >> Also, I selected JPEG-Photo using the program "MPEGStreamclip" at %100
> >> quality and it produces quite a large file. With "auto", the CPU goes
> over
> >> 90, but if I drag up or down on the framerate's number box, it stays at
> >> around 30-40...
> >
> > I assume JPEG-Photo is MJPEG: The video file gets so large, because you
> > store a JPEG for each frame instead of full image for keyframes only and
> > then changes for subsequent frames as do other video codecs (rough
> > explanation). [pix_film] can then read each frame as a JPEG and does not
> > need to find the last keyframe and apply the changes to it, so playback
> > should be possible with lower CPU usage.
> >
> > Please tell us some information about your system, i.e. CPU, graphic
> > card, operating system etc., maybe someone with a similar setup can
> > respond with further advice for optimisation.
> >
> > Hth,
> > Thomas
> > --
> > "Chaney was aware that anything, however small, can get the eye of the
> > media if it's repulsive enough." (Robert Anton Wilson - The Universe
> > Next Door)
> > http://www.residuum.org/
> >
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>
> --
> ____________________
> m.e.grimm | m.f.a | ed.m.
> megrimm at gmail.com
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